✂ Cut Flower

Alpen Diamond

The collarette bees tell their friends about.

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Collarette · 2–4"LavenderW. McClaren (Alpen Gardens) (2004)United States

Alpen Diamond is a collarette dahlia that opens 2–4" blooms in lavender. A lavender-pink ring of petals opens around a bright white collar that pales as the bloom ages. The color does a quiet shift from day one to day four that photographers notice before florists do. It was bred in United States by W. McClaren (Alpen Gardens) in 2004.

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Availability & pricing

No growers are currently listing Alpen Diamond on The Dahlia Hub.

Specifications

Physical

Form
Collarette
Bloom class
BB4–6"
Bloom size
2–4"(5.1–10.2 cm)
Plant height
36–48"

Color

Color
Lavender
Pattern
Light Blend
Tags
lavenderwhitepinkpastelbicolor-lookcollar

Growing context

Flowering season
Mid season
Cut flower
✓ Yes
Stem length
20"

Provenance

2004
United States
Breeder
W. McClaren (Alpen Gardens)

Grower Profile

Difficulty

Intermediate

Ideal for

HobbyistsFlorists

Growing Alpen Diamond

Stake lightly and pinch once your plants clear knee height. You get more usable stems if you cut often, since this one rewards the hand that keeps reaching for it. Watch for bees working the open centers and cut in the cool of the morning before the color starts to soften.

Spacing
Space roughly 2–3 ft apart
Staking
Stake early — stems carry heavy blooms and lean in wind

Frequently asked questions

How tall does Alpen Diamond dahlia grow?

Alpen Diamond reaches 36–48" at maturity, so plan to stake plants early to keep heavy blooms upright.

When does Alpen Diamond dahlia bloom?

Alpen Diamond is a midseason bloomer, in flower from midsummer through first frost.

Is Alpen Diamond dahlia good for cut flowers?

Yes — Alpen Diamond is well suited for cutting, with approximately 5-day vase life. Stems typically reach about 20″.

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